This is the 2458th most frequent Korean word.
다해
"다해" means "doing one's best" or "dedicating oneself fully."
In this sentence, '다해' (da-hae) is used to express the completion or doing of something entirely.
그녀는 자신의 일을 다해 끝냈어요.
She finished all her work.
Here, '다해요' conveys doing one's utmost or striving fully in an activity.
그는 운동을 할 때 최선을 다해요.
He gives his best when exercising.
In this context, '다해' implies doing all the necessary preparations.